76809404 has 24 divisors (see below), whose sum is σ = 154008960. Its totient is φ = 32834736.

The previous prime is 76809391. The next prime is 76809407. The reversal of 76809404 is 40490867.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (76809407) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8459 + ... + 15005.

It is an arithmetic number, because the mean of its divisors is an integer number (6417040).

Almost surely, 2^76809404 is an apocalyptic number.

It is an amenable number.

76809404 is an abundant number, since it is smaller than the sum of its proper divisors (77199556).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

76809404 is a wasteful number, since it uses less digits than its factorization.

76809404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6977 (or 6975 counting only the distinct ones).

The product of its (nonzero) digits is 48384, while the sum is 38.

The square root of 76809404 is about 8764.0974435477. The cubic root of 76809404 is about 425.0807763420.

The spelling of 76809404 in words is "seventy-six million, eight hundred nine thousand, four hundred four".